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Finding the Fourth Proportional to 354,774.31, 532,231.58 and 130,136.83

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Solution

The fourth proportional to 354,774.31, 532,231.58 and 130,136.83 is: 195,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,774.31 : 532,231.58 = 130,136.83 : x
  2. Step 2: Convert to fraction form
    354,774.31/532,231.58 = 130,136.83/x
  3. Step 3: Cross multiply
    354,774.31x = 532,231.58 × 130,136.83
  4. Step 4: Simplify right side
    354,774.31x = 69,262,929,641.85
  5. Step 5: Solve for x
    x = 69,262,929,641.85/354,774.31
  6. Step 6: Final answer
    x = 195,230.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.